Get to a specified pages after login

<script>
var ref=window.location.href;
if (ref.includes('index.php') == 0 && $j('.navbar-text').not('.navbar-right').length == 0) {
                localStorage.setItem('redirecturl', ref);
}
else {
                if ($j('.navbar-text').length != 0 && ref.includes('index.php') != 0 && localStorage.hasOwnProperty("redirecturl")) {
                               ref=localStorage.getItem('redirecturl');
                               localStorage.removeItem('redirecturl');
                               $j(location).attr('href', ref);
                }
}
 </script>